/* Variables de colores del proyecto */
:root {
    --color-primary: #6e4318;
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-accent: #eabd5c;
    --color-background: #f6f5f5;
}

/* Reset y estilos generales 

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--color-background);
    color: var(--color-primary);
}

*/


/* Header de la Galería */
.gallery-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, #5a3614 100%);
    padding: 40px 0;
    text-align: center;
    color: var(--color-white);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.gallery-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.gallery-header p {
    font-size: 1.1rem;
    color: var(--color-accent);
    margin: 0;
}

/* Filtros de Categorías */
.gallery-filters {
    background-color: var(--color-white);
    padding: 20px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.gallery-filters .container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-btn {
    background-color: var(--color-background);
    color: var(--color-primary);
    border: 2px solid var(--color-accent);
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.filter-btn:hover {
    background-color: var(--color-accent);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* Contador de imágenes */
.gallery-counter {
    background-color: var(--color-white);
    padding: 15px 0;
    text-align: center;
    border-bottom: 2px solid var(--color-accent);
}

.gallery-counter p {
    margin: 0;
    color: var(--color-primary);
    font-weight: 500;
}

.gallery-counter span {
    font-weight: 700;
    color: var(--color-accent);
}

/* Contenedor de la Galería */
.gallery-container {
    padding: 40px 0;
    min-height: calc(100vh - 300px);
}

/* Grid de Imágenes */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 0 15px;
}

/* Item de la Galería */
.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 0px;
    cursor: pointer;
    background-color: var(--color-white);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeIn 0.5s ease-in-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

/* Imagen con Lazy Loading */
.gallery-item-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-item-image {
    transform: scale(1.05);
}

/* Placeholder mientras carga la imagen */
.gallery-item-placeholder {
    width: 100%;
    height: 250px;
    background: linear-gradient(90deg, #e0e0e0 25%, #f0f0f0 50%, #e0e0e0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.gallery-item-placeholder i {
    font-size: 3rem;
    color: var(--color-accent);
    opacity: 0.3;
}

/* Overlay de información */
.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
    padding: 20px 15px 15px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-item-overlay {
    transform: translateY(0);
}

.gallery-item-title {
    color: var(--color-white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.gallery-item-category {
    color: var(--color-accent);
    font-size: 0.85rem;
    text-transform: uppercase;
}

/* Badge de categoría */
.gallery-item-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 10;
}

/* Loading Spinner */
.loading-spinner {
    text-align: center;
    padding: 40px 0;
}

.loading-spinner .spinner-border {
    width: 3rem;
    height: 3rem;
    color: var(--color-primary);
    border-width: 4px;
}

.loading-spinner p {
    margin-top: 15px;
    color: var(--color-primary);
    font-weight: 500;
}

/* Mensaje de fin */
.end-message {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-primary);
}

.end-message i {
    font-size: 4rem;
    color: var(--color-accent);
    margin-bottom: 15px;
}

.end-message p {
    font-size: 1.2rem;
    font-weight: 500;
}

/* === LIGHTBOX === */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.95);
}

.lightbox-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 60px 100px 120px;
}

/* Botón cerrar */
.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.lightbox-close:hover {
    background-color: var(--color-accent);
    color: var(--color-primary);
    transform: rotate(90deg);
}

/* Navegación del lightbox */
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(110, 67, 24, 0.8);
    color: var(--color-white);
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.lightbox-nav:hover {
    background-color: var(--color-primary);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

/* Contenedor de imagen */
.lightbox-image-container {
    max-width: 90%;
    max-height: 70vh;
    position: relative;
}

.lightbox-image-container img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

/* Loading de imagen en lightbox */
.lightbox-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.lightbox-loading .spinner-border {
    width: 4rem;
    height: 4rem;
}

/* Información de la imagen */
.lightbox-info {
    text-align: center;
    color: var(--color-white);
    margin-top: 20px;
    max-width: 800px;
}

.lightbox-info h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--color-accent);
}

.lightbox-info p {
    font-size: 1rem;
    margin-bottom: 10px;
    opacity: 0.9;
}

.lightbox-counter {
    display: inline-block;
    background-color: rgba(110, 67, 24, 0.8);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Miniaturas */
.lightbox-thumbnails {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    overflow-x: auto;
    max-width: 90%;
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
}

.lightbox-thumbnails::-webkit-scrollbar {
    height: 5px;
}

.lightbox-thumbnails::-webkit-scrollbar-thumb {
    background-color: var(--color-accent);
    border-radius: 5px;
}

.lightbox-thumbnail {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 5px;
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.lightbox-thumbnail:hover {
    opacity: 1;
    transform: scale(1.05);
}

.lightbox-thumbnail.active {
    opacity: 1;
    border-color: var(--color-accent);
}

/* Botón scroll to top */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    z-index: 1000;
}

.scroll-top:hover {
    background-color: var(--color-accent);
    color: var(--color-primary);
    transform: translateY(-5px);
}

.scroll-top.visible {
    display: flex;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .gallery-header h1 {
        font-size: 1.8rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 15px;
    }
    
    .gallery-item-image {
        height: 200px;
    }
    
    .filter-btn {
        font-size: 0.8rem;
        padding: 8px 15px;
    }
    
    .lightbox-content {
        padding: 80px 20px 100px;
    }
    
    .lightbox-nav {
        width: 45px;
        height: 45px;
        font-size: 1.5rem;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
    
    .lightbox-close {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .lightbox-thumbnail {
        width: 60px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 10px;
    }
    
    .gallery-item-image {
        height: 150px;
    }
}